Exposure
ID
GRAVI.2021-10-31T03:42:37.113_1
Header ID
GRAVI.2021-10-31T03:42:37.113
Date updated
2021-10-31 03:52:18 UTC+0000
Release date
2021-10-31 03:52:18 UTC+0000
UTC Start
2021-10-31 03:42:37.113
UTC End
2021-10-31 03:43:25.113
MJD Start
59518.15459621
MJD End
59518.1551517656
Exposure time (s)
48.0
Validation level
1
Tau 0: Coherence time (s)
0.004465
Ambient temperature (°C)
15.11
Seeing (arcsec)
0.67
Observation
ID
48697
Category
science
Program ID
60.A-9801(U)
Program Title
TECHNICAL TIME
Program Type
Normal
PI / COI
OBSERVATORY, P
Target
ID
36471
Name
Alpha_Psc_B
RA
30.509527
DEC
2.76364
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
DUAL
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 24.1110 24.0880 137.9000 138.0000
A0-D0 31.0220 31.0540 73.0000 73.0000
A0-C1 22.4870 22.4770 113.3520 113.3500
B2-D0 30.1710 30.2020 26.6000 26.7000
B2-C1 10.0500 10.0600 26.5560 26.6590
D0-C1 20.1210 20.1420 206.6270 206.7290
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 60.A-9801(U)
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,DUAL
MJD-OBS 59518.15459621
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME WDS_J02020+0246A
HIERARCH ESO INS SOBJ NAME Alpha_Psc_B
RA 30.509527
DEC 2.76364
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 64.0
HIERARCH ESO DET2 SEQ1 DIT 3.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 24.111
HIERARCH ESO ISS PBL12 END 24.088
HIERARCH ESO ISS PBLA12 START 137.9
HIERARCH ESO ISS PBLA12 END 138.0
HIERARCH ESO ISS PBL13 START 31.022
HIERARCH ESO ISS PBL13 END 31.054
HIERARCH ESO ISS PBLA13 START 73.0
HIERARCH ESO ISS PBLA13 END 73.0
HIERARCH ESO ISS PBL14 START 22.487
HIERARCH ESO ISS PBL14 END 22.477
HIERARCH ESO ISS PBLA14 START 113.352
HIERARCH ESO ISS PBLA14 END 113.35
HIERARCH ESO ISS PBL23 START 30.171
HIERARCH ESO ISS PBL23 END 30.202
HIERARCH ESO ISS PBLA23 START 26.6
HIERARCH ESO ISS PBLA23 END 26.7
HIERARCH ESO ISS PBL24 START 10.05
HIERARCH ESO ISS PBL24 END 10.06
HIERARCH ESO ISS PBLA24 START 26.556
HIERARCH ESO ISS PBLA24 END 26.659
HIERARCH ESO ISS PBL34 START 20.121
HIERARCH ESO ISS PBL34 END 20.142
HIERARCH ESO ISS PBLA34 START 206.627
HIERARCH ESO ISS PBLA34 END 206.729
HIERARCH ESO ISS AMBI TAU0 START 0.004207
HIERARCH ESO ISS AMBI TAU0 END 0.004723
HIERARCH ESO ISS AMBI TEMP 15.11
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.69
HIERARCH ESO FT ROBJ NAME Alpha_Psc_A
HIERARCH ESO FT ROBJ ALPHA 020202.824
HIERARCH ESO FT ROBJ DELTA 024549.430